Home / 3,134.30-4,701.45-3,080.30

Finding the Fourth Proportional to 3,134.30, 4,701.45 and 3,080.30

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Solution

The fourth proportional to 3,134.30, 4,701.45 and 3,080.30 is: 4,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.30 : 4,701.45 = 3,080.30 : x
  2. Step 2: Convert to fraction form
    3,134.30/4,701.45 = 3,080.30/x
  3. Step 3: Cross multiply
    3,134.30x = 4,701.45 × 3,080.30
  4. Step 4: Simplify right side
    3,134.30x = 14,481,876.44
  5. Step 5: Solve for x
    x = 14,481,876.44/3,134.30
  6. Step 6: Final answer
    x = 4,620.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.